Which statement is TRUE of drug tolerance?
A) With continued use, lesser amounts of a drug are needed to produce the same effect.
B) Discontinuing drug use produces physical sickness.
C) With continued use, the same dose of a drug has less of an effect.
D) With continued use, a person begins to crave the drug less.
C) With continued use, the same dose of a drug has less of an effect.
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In operant conditioning, extinction occurs because:
a. of disinterest b. reinforcement no longer follows the behavior c. the task is difficult d. of delay of reinforcement
According to the diathesis-stress model, identical twins raised in the same household will
A. not necessarily have the same disorders because of potential differences in their diathesis. B. have the same disorders because their diathesis and stress are exactly the same. C. not necessarily have the same disorders because of potential differences in their stress. D. have no more likelihood of sharing a disorder than any other two individuals randomly selected from the population.
Based on Zuckerman's account, extroverts are particularly sensitive to __________ while
neurotics are highly sensitive to __________ . a. arousal; punishment b. punishment; reinforcement c. reinforcement; punishment d. reinforcement; arousal e. arousal; reinforcement
Nicotinic and muscarinic receptors are two types of ___ receptors
A) tobacco B) serotonin C) acetylcholine D) dopamine